/*=====================================================================*
 *                   Copyright (C) 2011 Paul Mineiro                   *
 * All rights reserved.                                                *
 *                                                                     *
 * Redistribution and use in source and binary forms, with             *
 * or without modification, are permitted provided that the            *
 * following conditions are met:                                       *
 *                                                                     *
 *     * Redistributions of source code must retain the                *
 *     above copyright notice, this list of conditions and             *
 *     the following disclaimer.                                       *
 *                                                                     *
 *     * Redistributions in binary form must reproduce the             *
 *     above copyright notice, this list of conditions and             *
 *     the following disclaimer in the documentation and/or            *
 *     other materials provided with the distribution.                 *
 *                                                                     *
 *     * Neither the name of Paul Mineiro nor the names                *
 *     of other contributors may be used to endorse or promote         *
 *     products derived from this software without specific            *
 *     prior written permission.                                       *
 *                                                                     *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND              *
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,         *
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES               *
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE             *
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER               *
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,                 *
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES            *
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE           *
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR                *
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF          *
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT           *
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY              *
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE             *
 * POSSIBILITY OF SUCH DAMAGE.                                         *
 *                                                                     *
 * Contact: Paul Mineiro <paul@mineiro.com>                            *
 *=====================================================================*/

#include <cstring>
#include <iostream>

#include "mode.hh"
#include "iwr.hh"
#include "sft.hh"

namespace
{
  void
  help ()
    {
      std::cerr << "usage: fl " << flassol::modes_string << std::endl;
      std::cerr << std::endl;
      std::cerr << "  iwr: importance-weighted regression" << std::endl;
      std::cerr << "  iwc: importance-weighted classification" << std::endl;
      std::cerr << "  sft: scoring filter tree" << std::endl;
      std::cerr << std::endl;
      std::cerr << "invoke any option with --help to get more information"
                << std::endl;
    }
}

int
main (int   argc,
      char* argv[])
{
  if (argc < 2)
    {
      help ();
      return 1;
    }

  if (strcmp (argv[1], "iwr") == 0)
    {
      return flassol::iwr_main (argc, argv);
    }
  else if (strcmp (argv[1], "iwc") == 0)
    {
      return flassol::iwc_main (argc, argv);
    }
  else if (strcmp (argv[1], "sft") == 0)
    {
      return flassol::sft_main (argc, argv);
    }
  else if (strcmp (argv[1], "help") == 0 ||
           strcmp (argv[1], "--help") == 0)
    {
      help ();
      return 1;
    }
  else
    {
      std::cerr << "error: unknown mode '" << argv[1] << "'" << std::endl;
      help ();
      return 1;
    }
}
